+ // We just recreated the srd session, so all stack changes are applied now
+ stack_config_changed_ = false;
+}
+
+void DecodeSignal::terminate_srd_session()
+{
+ // Call the "terminate and reset" routine for the decoder stack
+ // (if available). This does not harm those stacks which already
+ // have completed their operation, and reduces response time for
+ // those stacks which still are processing data while the
+ // application no longer wants them to.
+ if (srd_session_) {
+ srd_session_terminate_reset(srd_session_);
+
+ // Metadata is cleared also, so re-set it
+ uint64_t samplerate = 0;
+ if (segments_.size() > 0)
+ samplerate = segments_.at(current_segment_id_).samplerate;
+ if (samplerate)
+ srd_session_metadata_set(srd_session_, SRD_CONF_SAMPLERATE,
+ g_variant_new_uint64(samplerate));
+ for (const shared_ptr<decode::Decoder> &dec : stack_)
+ dec->apply_all_options();
+ }
+}
+
+void DecodeSignal::stop_srd_session()
+{
+ if (srd_session_) {
+ // Destroy the session
+ srd_session_destroy(srd_session_);
+ srd_session_ = nullptr;
+
+ // Mark the decoder instances as non-existant since they were deleted
+ for (const shared_ptr<decode::Decoder> &dec : stack_)
+ dec->invalidate_decoder_inst();
+ }
+}
+
+void DecodeSignal::connect_input_notifiers()
+{
+ // Disconnect the notification slot from the previous set of signals
+ disconnect(this, SLOT(on_data_cleared()));
+ disconnect(this, SLOT(on_data_received()));
+
+ // Connect the currently used signals to our slot
+ for (data::DecodeChannel &ch : channels_) {
+ if (!ch.assigned_signal)
+ continue;
+
+ const data::SignalBase *signal = ch.assigned_signal;
+ connect(signal, SIGNAL(samples_cleared()),
+ this, SLOT(on_data_cleared()));
+ connect(signal, SIGNAL(samples_added(uint64_t, uint64_t, uint64_t)),
+ this, SLOT(on_data_received()));
+ }
+}
+
+void DecodeSignal::create_decode_segment()
+{
+ // Create annotation segment
+ segments_.emplace_back(DecodeSegment());
+
+ // Add annotation classes
+ for (const shared_ptr<decode::Decoder> &dec : stack_) {
+ assert(dec);
+ const srd_decoder *const decc = dec->decoder();
+ assert(dec->decoder());
+
+ int row_index = 0;
+ // Add a row for the decoder if it doesn't have a row list
+ if (!decc->annotation_rows)
+ (segments_.back().annotation_rows)[Row(row_index++, decc)] =
+ decode::RowData();
+
+ // Add the decoder rows
+ for (const GSList *l = decc->annotation_rows; l; l = l->next) {
+ const srd_decoder_annotation_row *const ann_row =
+ (srd_decoder_annotation_row *)l->data;
+ assert(ann_row);